#51E391#51E391

#51E391 is a light, vivid green. Relative luminance 0.587; OKLCH L 81.8% C 0.171 H 154.9°. Best body text is #000000 at 12.75:1 contrast (WCAG AA passes).

Color values

HEX#51E391
RGBrgb(81, 227, 145)
HSLhsl(146, 72%, 60%)
HSVhsv(146, 64%, 89%)
CMYKcmyk(64.3%, 0%, 36.1%, 11%)
CIE-LABlab(81.14, -57.05, 28.91)
CIE-LCHlch(81.14, 63.96, 153.13°)
OKLaboklab(81.78% -0.1545 0.0725)
OKLCHoklch(81.78% 0.171 154.9)
XYZxyz(35.9701, 58.7281, 36.2226)
Luminance0.5873 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E391 #E351A3
analogous
#5AE351 #51E391 #51E3DA
triadic
#51E391 #9151E3 #E39151
tetradic
#51E391 #515AE3 #E351A3 #E3DA51
square
#51E391 #515AE3 #E351A3 #E3DA51
split-complementary
#51E391 #DA51E3 #E3515A
monochromatic
#1AA055 #22D570 #51E391 #86EBB2 #BAF4D4

Accessibility & contrast

On white

1.65
#51E391 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.75
#51E391 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E391
12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E391#FFFFFF#000000##000000
##51E3911.001.6512.7512.75
#FFFFFF1.651.0021.0021.00
#00000012.7521.001.001.00
##00000012.7521.001.001.00

Color blindness preview

Protanopia (red-blind)
#E2D28C
Deuteranopia (green-blind)
#CFC496
Tritanopia (blue-blind)
#00E1CE
Achromatopsia (no color)
#C9C9C9

Design tokens & code

CSS
--color: #51e391;
/* rgb */ color: rgb(81, 227, 145);
/* oklch */ color: oklch(81.8% 0.171 154.9);
Tailwind
colors: {
  custom: {
    50: '#91edb2',
    500: '#51e391',
    950: '#000000',
  },
}
SCSS
$custom: #51e391;
$custom-light: #91edb2;
$custom-dark: #000000;
JSON
{
  "hex": "#51e391",
  "rgb": {
    "r": 81,
    "g": 227,
    "b": 145
  },
  "hsl": {
    "h": 146.301,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.8178,
    "c": 0.17063,
    "h": 154.9
  },
  "luminance": 0.58732
}

Semantic roles & 50–950 ramp

primary
#51E391
secondary
#A33573
accent
#117FD4
background
#FCFFFD
surface
#F5FEF7
border
#CFD6D0
text
#0E1611
muted
#7F8581

Preview Lab

Preview with #51E391

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#51E391 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva